Kathryn ate a bag of salty chips. What allowed her brain to register the flavor of the chips?

What force pulls the moon towards the earth?

A 10N force and a 50N force act in opposite directions on a 4 kg object. What is the acceleration? (how did you do it)

What do most scientists believe is leading to climate change today? a. more volcanic and earthquake activity b. rising temperatures on the Sun c. increased amounts of greenhouse gases in the atmosphere d. changes in the Earth's orbit

When you try to stretch a bungee cord a distance x, it resists with an opposing force of the form b x2, where b is a constant. If b is measured to be 6 N/m2, how much work does it take to stretch the bungee cord a distance of 1 meterA. 2JB. 3JC. 0.

Explain why this is, using the formula for calculating potential energy in your explanation (PE=mgh)

What is the mass in kg of a leopard in a tree if the tree branch is 36 m up and the leopard's gravitational potential energy is 29988 J?

Venus's average distance from the sun is 0.72 AU and Saturn's is 9.54 AU. Calculate the orbital velocity of Venus and Saturn around the sun. (The mass of the sun is 1.99 X 10^30 KG. an AU is 1.50 X 10^11 M.

Caleb's parent drove him to a swim meet 208 km away. It took them 2 hours, which included a 15-minute break to refuel. What was their average driving speed?

Why is thermal energy from the Sun transferred to Earth through electromagnetic waves instead of any other type of thermal energy transfer? Electromagnetic waves can carry energy through matter. Electromagnetic waves can travel through empty space.

Why do different elements emit different colors of light